8. The human diet includes "non-digestible" polysaccharides, or fiber, that can actually be digested by enzymes produced by intestinal microorganisms. The abbreviated structure of a plant polysaccharide from lettuce is shown below. How many different hydrolases are required to convert this polysaccharide to monosaccharides? L-Fucα(1-2) Galß(1-2) Galß(1-2) Xyla(1-6) Xyla(1-6) Xyla(1-6) Glcß(1-4)-Glcß(1-4)-Glcß(1-4)-Glcß(1-4) 21

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